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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:realflex:realwin:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1A6062A-E8AA-4653-99DD-EC1A9420422F", "versionEndIncluding": "2.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:realflex:realwin:1.06:*:*:*:*:*:*:*", "matchCriteriaId": "5C400FAA-C8A3-4549-9954-91F19C7BE50F", "vulnerable": true}, {"criteria": "cpe:2.3:a:realflex:realwin:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "DE107083-8D98-419D-9EEC-8E8067E12201", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple stack-based buffer overflows in the HMI application in DATAC RealFlex RealWin 2.1 (Build 6.1.10.10) and earlier allow remote attackers to execute arbitrary code via (1) a long username in an On_FC_CONNECT_FCS_LOGIN packet, and crafted (2) On_FC_CTAGLIST_FCS_CADDTAG, (3) On_FC_CTAGLIST_FCS_CDELTAG, (4) On_FC_CTAGLIST_FCS_ADDTAGMS, (5) On_FC_RFUSER_FCS_LOGIN, (6) unspecified 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